Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Temperate; 41°N - 36°N
North America: Sacramento-San Joaquin, Pajaro and Salinas River drainages in California, USA. Widely introduced elsewhere in western USA.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 73.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gepubliceerd gewicht: 1.4 kg (Ref. 40637); max. gerapporteerde leeftijd: 9 Jaren (Ref. 72491)
Adults occur in vegetated sloughs, pools of sluggish rivers and lakes; now most common in ponds and impoundments (Ref. 5723).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Male guarding lasts from 0-3 days (Ref. 93240).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Bedreigd (EN) (B1ab(iii)+2ab(iii)); Date assessed: 20 October 2011
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00746 - 0.02125), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tmax=6).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
